This African lion is growing up and showing off his roar transformation. Pilipili is almost 3 years old and the oldest member of the bachelor pride at the Lincoln Park Zoo in Chicago. His little cub ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have discovered a new type of lion roar — the intermediate roar — which is shorter and lower-pitched than the animal's ...

Scientists have discovered a whole new type of roar produced by African lions, indicating the big cat’s communication could be more complex than commonly believed. Researchers from the University of ...